already in the 40s, toward fairfield, and napa. santa rosa, currently 50 degrees. downtown san francisco right now in the upper 50s. forecast headline for tonight. fair skies, chilly out there as we showed you. tomorrow, mostly sunny skies. it will be mild once again for the afternoon hours. the cooling trend, we will be tracking more showers. overnight lows, first thing monday morning, get ready for school and work. temperatures in the upper 30s. san francisco, 46, san jose 44 degrees. steve paulson will be here early tomorrow morning, beginning at 4:30, tracking the cold temperatures that start out near monday. high pressure is still in command of our weather. the dry weather pattern continues. it will be mild to warm for monday. this cooler air begins to sweep into the region. also a few extra high clouds. a major drop off in temperatures by wednesday. by wednesday, we will be tracking rain showers first thing for the morning commute. we could have patchy, dense fog develop, especially toward the central valley. even in some of the inland valleys once again. a f